Patent US3208912A successfully refreshed from Google Patents.
US3208912A
Expired / Lapsed
US
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Nuclear reactor fuel management method
Assignee: Individual
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Filing: 1964-07-20
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Granted: 1965-09-28
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Expires: 1984-07-20
Abstract
No abstract record available.
Inventors
- 👤 Jaye Seymour
- 👤 Jr Dana H Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:23
CPC Classifications
G; G21; G21C; G21C19/00; G21C1/00; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A METHOD OF FUEL MANAGMENT FOR A NUCLEAR REACTOR UTILIZING A THORIUM-URANIUM 213 BREEDING CYCLE FOR A PLURALITY OF FUEL RECYCLES, WHICH METHOD COMPRISES CHARGING THE REACTOR WITH FUEL UNITS CONTAINING URANIUM AND THORIUM, OPERATING THE REACTOR FOR THE DESIRED REACTIVITY LIFE OF AT LEAST A SELECTED PORTION OF SAID FUEL UNITS, REMOVING SAID SELECTED PORTION OF FUEL UNITS FROM THE NUCLEAR REACTOR, REPROCESSING SAID SELECTED FUEL UNITS TO ELIMINATE FISSION PRODUCTS, NEPTUNIUM AND SUBSTANTIALLY ALL OF THE URANIUM-236 THEREFROM AND TO RECOVER FISSILE NUCLIDES, AND RETURNING SAID FISSLE NUCLIDES, THORIUM AND MAKE-UP ENRICHED URANIUM TO THE NUCLEAR REACTOR FOR A SUBSEQUENT REACTOR CYCLE.
Claim 2
Independent Claim
104 words
A METHOD OF FUEL MANAGMENT FOR A NUCLEAR REACTOR UTILIZING A THORIUM-URANIUM 213 BREEDING CYCLE FOR A PLURALITY OF FUEL RECYCLES, WHICH METHOD COMPRISES CHARGING THE REACTOR WITH FUEL UNITS CONTAINING URANIUM AND THORIUM, OPERATING THE REACTOR FOR THE DESIRED REACTIVITY LIFE OF AT LEAST A SELECTED PORTION OF SAID FUEL UNITS, REMOVING SAID SELECTED PORTION OF FUEL UNITS FROM THE NUCLEAR REACTOR, REPROCESSING SAID SELECTED FUEL UNITS TO ELIMINATE FISSION PRODUCTS, NEPTUNIUM AND SUBSTANTIALLY ALL OF THE URANIUM-236 THEREFROM AND TO RECOVER FISSILE NUCLIDES, AND RETURNING SAID FISSLE NUCLIDES, THORIUM AND MAKE-UP ENRICHED URANIUM TO THE NUCLEAR REACTOR FOR A SUBSEQUENT REACTOR CYCLE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |